Bently Nevada 3300/50, Operation Manual

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• Tachometer Operation
LED DISPLAY
ALERT
RPM/MIN R P M
CONDITION RELAY DRIVE
ALERT
RPM/MIN R P M
• 0
THE RPM/MINUTE ALERT CONDITIONS HAVE BEEN
MET. *
ON OFF
0 • THE RPM ALERT CONDITIONS HAVE BEEN MET. * *
OFF ON
• •
BOTH THE RPM/MINUTE AND RPM ALERT
CONDITIONS HAVE BEEN MET. * * * ON ON
0
0
THE RPM/MINUTE ALERT CONDITIONS HAVE BEEN
MET. RPM/MINUTE IS THE FIRST OUT ALERT. * * *
ON OFF
0
0
THE RPM ALERT CONDITIONS HAVE BEEN MET.
THE RPM ALERT IS THE FIRST OUT ALERT. * * *
OFF ON
•
•
R M O
Pi I
M N o
13
83870-01
ALERT (ROTOR ACCEL. TACHOMETER)
00 PDT USE FOii
ommomm
mmnmr
SEE MANUAL
6 0 0
RPM/MIN
r t 0 TRIGGER I R G E R 0 8 1
o r c SEI.Ou I RPM
ALERT
BYPASS
• R
P
* AN RPM/MIN ALERT REQUIRES AT LEAST ONE TRANSDUCER TO OBSERVE THE ROTOR ACCELERATION (RPM/MIN)
VALUE EXCEED THE RPM/MIN SETPOINT FOR AT LEAST ONE SECOND.
** AN RPM ALERT REQUIRES AT LEAST ONE TRANSDUCER TO OBSERVE THE ROTOR SPEED (RPM) RISE ABOVE AN
OVER SPEED SETPOINT OR FALL BELOW AN UNDER SPEED SETPOINT FOR AT LEAST ONE SECOND.
*** FIRST OUT RESOLUTION IS BETTER THAN 50 MILLISECONDS. IF TWO ALERTS OCCUR WITHIN 50 MILLISECONDS
OR LESS, BOTH LEDS COULD FLASH. BOTH ALERTS MAY FLASH TO INDICATE FIRST OUT FOLLOWING SELF TEST.
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